Research Article
Investigation on the Properties and Distribution of Air Voids in Porous Asphalt with Relevance to the Pb(II) Removal Performance
Table 5
Correlations among the three-dimensional parameters.
| | Parameter | Correlation coefficient | | PAC-16(A) | PAC-16(B) | | Equivalent diameter | Specific surface area | Fractal dimension | Equivalent diameter | Specific surface area | Fractal dimension |
| | Equivalent diameter | 1.000 | −0.702 | −0.501 | 1.000 | −0.452 | −0.628 | | Specific surface area | −0.702 | 1.000 | 0.691 | −0.452 | 1.000 | 0.567 | | Fractal dimension | −0.501 | 0.691 | 1.000 | −0.628 | 0.567 | 1.000 |
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